³/₄х-²/₃х+1=¹/₂х+¹/₆³/₄х-²/₃х-¹/₂х = ¹/₆ - 1³ˣ³/₁₂х-²ˣ⁴/₁₂х-¹ˣ⁶/₁₂х = - ⁵/₆ ⁹/₁₂х-⁸/₁₂х-⁶/₁₂х = - ⁵/₆ ⁹⁻⁸⁻⁶/₁₂х = - ⁵/₆ - ⁵/₁₂х = - ⁵/₆ х = (- ⁵/₆) : (-⁵/₁₂)х = (- ⁵/₆) × (-¹²/₅)х = ⁵ˣ¹²/₆ₓ₅х = ¹²/₆x = 2Проверка³/₄×2-²/₃×2+1=¹/₂×2+¹/₆³ˣ²/₄ - ²ˣ²/₃ +1 = ²/₂+¹/₆⁶/₄ - ⁴/₃ +1 = 1+¹/₆³/₂ - ⁴/₃ +1 = 1¹/₆³ˣ³/₆ - ⁴ˣ²/₆ +1 = 1¹/₆⁹/₆ - ⁸/₆ +1 = 1¹/₆¹/₆ +1 = 1¹/₆1¹/₆ = 1¹/₆***************x+³/₇=2х-¹/₅x - 2x = -¹/₅-³/₇- x = -¹ˣ⁷/₃₅-³ˣ⁵/₃₅- x = -⁷/₃₅-¹⁵/₃₅- x = -²²/₃₅x = ²²/₃₅Проверка²²/₃₅+³/₇=2ײ²/₃₅-¹/₅²²/₃₅+³ˣ⁵/₃₅=⁴⁴/₃₅-¹ˣ⁷/₃₅²²/₃₅+¹⁵/₃₅=⁴⁴/₃₅-⁷/₃₅³⁷/₃₅=³⁷/₃₅1²/₃₅ = 1²/₃₅